"Shooting Uptown at Second and St. Charles we have identified the perpetrator and now have arrest warrant for that person who was actually a known acquaintance with the victim at that parade," said NOPD Chief Michael Harrison. "An argument started. It got fatal. That subject began firing and shot the person. But we have an arrest warrant for his arrest so officers and detectives move really quickly. All of these things happen right there in the presence of our police officers."